package com.qf.day01;

public class demo01 {
    public static void main(String[] args) {
        int a;
        String s;
        int b;
        String name;



        a=100;
        s="200";
        name="于";

        System.out.println(a);
        System.out.println(s);
        System.out.println(name);
    }
}
